Question

The average weight of 9 apples increases by 20 g if one of them weighing 120 g is replaced by another. The weight of the new apple is ( A ) 200 ( B ) 300 ( C ) 260 ( D ) 180

Answer 1

Answer:B)300 gm

Step-by-step explanation:

Let the average weight be x gm.

New averege =x+20 .

Weight of new Apple is more by=

9(x+20)-9x

9x+180-9x

180 gm

This means the weight of new Apple is 120 +180 =300 gm